The invention of the calendar heralded a glorious day in the empire's history. Now with two major cities, and numerous farming affairs needing to be harmonized across the land, it is time to standardize this calendar. Traders must have an easy means of synchronizing their activities. By what means do you wish to track the days?
The learned assure you that this calendar will better stand the passing of the seasons.
The waxing and waning of the moon is something familiar and comforting to the people.